There is a thread on here from a week or 2 ago.
http://www.outdoorsmenforum.ca/showt...t=conditioning
I have a 1200 SQ foot Two story house that is 16 years old.
it cost me $3800 from Costco, Of which I get $300 off so 3500 all in, including a new thermostat and installation. I purchased it on Friday and they are installing it today, they are just about done.